1 class CollectionsController < ApplicationController
2 skip_around_filter(:thread_with_mandatory_api_token,
3 only: [:show_file, :show_file_links])
4 skip_before_filter(:find_object_by_uuid,
5 only: [:provenance, :show_file, :show_file_links])
6 # We depend on show_file to display the user agreement:
7 skip_before_filter :check_user_agreements, only: [:show_file]
12 %w(Files Provenance_graph Used_by Advanced)
17 when 'persistent', 'cache'
18 persist_links = Link.filter([['owner_uuid', '=', current_user.uuid],
19 ['link_class', '=', 'resources'],
20 ['name', '=', 'wants'],
21 ['tail_uuid', '=', current_user.uuid],
22 ['head_uuid', '=', @object.uuid]])
23 logger.debug persist_links.inspect
25 return unprocessable "Invalid value #{value.inspect}"
27 if params[:value] == 'persistent'
28 if not persist_links.any?
29 Link.create(link_class: 'resources',
31 tail_uuid: current_user.uuid,
32 head_uuid: @object.uuid)
35 persist_links.each do |link|
41 f.json { render json: @object }
48 filter([['link_class','=','name'],
49 ['head_uuid','is_a','arvados#collection']])
50 find_objects_for_index
51 @next_page_href = (next_page_offset and
52 url_for(offset: next_page_offset, partial: true))
53 @name_links = @objects
54 @objects = Collection.
55 filter([['uuid','in',@name_links.collect(&:head_uuid)]])
60 if params[:search].andand.length.andand > 0
61 tags = Link.where(any: ['contains', params[:search]])
62 @collections = (Collection.where(uuid: tags.collect(&:head_uuid)) |
63 Collection.where(any: ['contains', params[:search]])).
67 limit = params[:limit].to_i
73 offset = params[:offset].to_i
78 @collections = Collection.limit(limit).offset(offset)
80 @links = Link.limit(1000).
81 where(head_uuid: @collections.collect(&:uuid))
83 @collections.each do |c|
84 @collection_info[c.uuid] = {
93 @collection_info[link.head_uuid] ||= {}
94 info = @collection_info[link.head_uuid]
97 info[:tag_links] << link
100 info[:wanted_by_me] ||= link.tail_uuid == current_user.uuid
102 info[:provenance] << link.name
106 @request_url = request.url
110 Thread.current[:reader_tokens] = [params[:reader_token]]
116 # We pipe from arv-get to send the file to the user. Before we start it,
117 # we ask the API server if the file actually exists. This serves two
118 # purposes: it lets us return a useful status code for common errors, and
119 # helps us figure out which token to provide to arv-get.
121 tokens = [Thread.current[:arvados_api_token], params[:reader_token]].compact
122 usable_token = find_usable_token(tokens) do
123 coll = Collection.find(params[:uuid])
126 return # Response already rendered.
127 elsif params[:file].nil? or not file_in_collection?(coll, params[:file])
128 return render_not_found
130 opts = params.merge(arvados_api_token: usable_token)
131 ext = File.extname(params[:file])
132 self.response.headers['Content-Type'] =
133 Rack::Mime::MIME_TYPES[ext] || 'application/octet-stream'
134 self.response.headers['Content-Length'] = params[:size] if params[:size]
135 self.response.headers['Content-Disposition'] = params[:disposition] if params[:disposition]
136 self.response_body = file_enumerator opts
140 ["GET /arvados/v1/collections/#{@object.uuid}", "GET /arvados/v1/collections/#{@object.uuid}/", "GET /arvados/v1/keep_services/accessible"]
145 ApiClientAuthorization.filter([['scopes', '=', sharing_scopes]]).results
146 rescue ArvadosApiClient::AccessForbiddenException
152 return super if !@object
154 jobs_with = lambda do |conds|
155 Job.limit(RELATION_LIMIT).where(conds)
156 .results.sort_by { |j| j.finished_at || j.created_at }
158 @output_of = jobs_with.call(output: @object.uuid)
159 @log_of = jobs_with.call(log: @object.uuid)
160 folder_links = Link.limit(RELATION_LIMIT).order("modified_at DESC")
161 .where(head_uuid: @object.uuid, link_class: 'name').results
162 folder_hash = Group.where(uuid: folder_links.map(&:tail_uuid)).to_hash
163 @folders = folder_links.map { |link| folder_hash[link.tail_uuid] }
164 @permissions = Link.limit(RELATION_LIMIT).order("modified_at DESC")
165 .where(head_uuid: @object.uuid, link_class: 'permission',
166 name: 'can_read').results
167 @logs = Log.limit(RELATION_LIMIT).order("created_at DESC")
168 .where(object_uuid: @object.uuid).results
169 @is_persistent = Link.limit(1)
170 .where(head_uuid: @object.uuid, tail_uuid: current_user.uuid,
171 link_class: 'resources', name: 'wants')
173 @search_sharing = search_scopes
175 @prov_svg = ProvenanceHelper::create_provenance_graph(@object.provenance, "provenance_svg",
176 {:request => request,
177 :direction => :bottom_up,
178 :combine_jobs => :script_only}) rescue nil
179 @used_by_svg = ProvenanceHelper::create_provenance_graph(@object.used_by, "used_by_svg",
180 {:request => request,
181 :direction => :top_down,
182 :combine_jobs => :script_only,
183 :pdata_only => true}) rescue nil
187 @search_sharing = search_scopes
188 respond_to do |format|
194 helper_method :download_link
197 collections_url + "/download/#{@object.uuid}/#{@search_sharing.first.api_token}"
201 a = ApiClientAuthorization.create(scopes: sharing_scopes)
202 @search_sharing = search_scopes
203 render 'sharing_popup'
207 @search_sharing = search_scopes
208 @search_sharing.each do |s|
211 @search_sharing = search_scopes
212 render 'sharing_popup'
217 def find_usable_token(token_list)
218 # Iterate over every given token to make it the current token and
219 # yield the given block.
220 # If the block succeeds, return the token it used.
221 # Otherwise, render an error response based on the most specific
222 # error we encounter, and return nil.
223 most_specific_error = [401]
224 token_list.each do |api_token|
225 using_specific_api_token(api_token) do
229 rescue ArvadosApiClient::NotLoggedInException => error
232 status = (error.message =~ /\[API: (\d+)\]$/) ? $1.to_i : nil
233 raise unless [401, 403, 404].include?(status)
235 if status >= most_specific_error.first
236 most_specific_error = [status, error]
240 case most_specific_error.shift
244 render_not_found(*most_specific_error)
249 def file_in_collection?(collection, filename)
250 target = CollectionsHelper.file_path(File.split(filename))
251 collection.files.each do |file_spec|
252 return true if (CollectionsHelper.file_path(file_spec) == target)
257 def file_enumerator(opts)
258 FileStreamer.new opts
262 include ArvadosApiClientHelper
263 def initialize(opts={})
267 return unless @opts[:uuid] && @opts[:file]
272 u = URI.parse(arvados_api_client.arvados_v1_base)
273 env['ARVADOS_API_HOST'] = "#{u.host}:#{u.port}"
274 env['ARVADOS_API_TOKEN'] = @opts[:arvados_api_token]
275 env['ARVADOS_API_HOST_INSECURE'] = "true" if Rails.configuration.arvados_insecure_https
277 IO.popen([env, 'arv-get', "#{@opts[:uuid]}/#{@opts[:file]}"],
279 while buf = io.read(2**16)
283 Rails.logger.warn("#{@opts[:uuid]}/#{@opts[:file]}: #{$?}") if $? != 0